# -*- coding: utf-8 -*- """ *************************************************************************** SagaAlgorithm213.py --------------------- Date : December 2014 Copyright : (C) 2014 by Victor Olaya Email : volayaf at gmail dot com *************************************************************************** * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * *************************************************************************** """ __author__ = 'Victor Olaya' __date__ = 'December 2014' __copyright__ = '(C) 2014, Victor Olaya' # This will get replaced with a git SHA1 when you do a git archive __revision__ = '$Format:%H$' import os from SagaAlgorithm212 import SagaAlgorithm212 from processing.core.ProcessingConfig import ProcessingConfig from processing.core.ProcessingLog import ProcessingLog from processing.core.GeoAlgorithmExecutionException import GeoAlgorithmExecutionException from processing.core.parameters import ParameterRaster, ParameterVector, ParameterTable, ParameterMultipleInput, ParameterBoolean, ParameterFixedTable, ParameterExtent, ParameterNumber, ParameterSelection from processing.core.outputs import OutputRaster, OutputVector, OutputTable import SagaUtils from processing.tools import dataobjects from processing.tools.system import getTempFilename sessionExportedLayers = {} class SagaAlgorithm213(SagaAlgorithm212): OUTPUT_EXTENT = 'OUTPUT_EXTENT' def getCopy(self): newone = SagaAlgorithm213(self.descriptionFile) newone.provider = self.provider return newone def processAlgorithm(self, progress): commands = list() self.exportedLayers = {} self.preProcessInputs() # 1: Export rasters to sgrd and vectors to shp # Tables must be in dbf format. We check that. for param in self.parameters: if isinstance(param, ParameterRaster): if param.value is None: continue if param.value.endswith('sdat'): param.value = param.value[:-4] + "sgrd" elif not param.value.endswith('sgrd'): exportCommand = self.exportRasterLayer(param.value) if exportCommand is not None: commands.append(exportCommand) if isinstance(param, ParameterVector): if param.value is None: continue layer = dataobjects.getObjectFromUri(param.value, False) if layer: filename = dataobjects.exportVectorLayer(layer) self.exportedLayers[param.value] = filename elif not param.value.endswith('shp'): raise GeoAlgorithmExecutionException( self.tr('Unsupported file format')) if isinstance(param, ParameterTable): if param.value is None: continue table = dataobjects.getObjectFromUri(param.value, False) if table: filename = dataobjects.exportTable(table) self.exportedLayers[param.value] = filename elif not param.value.endswith('shp'): raise GeoAlgorithmExecutionException( self.tr('Unsupported file format')) if isinstance(param, ParameterMultipleInput): if param.value is None: continue layers = param.value.split(';') if layers is None or len(layers) == 0: continue if param.datatype == ParameterMultipleInput.TYPE_RASTER: for i, layerfile in enumerate(layers): if layerfile.endswith('sdat'): layerfile = param.value[:-4] + "sgrd" layers[i] = layerfile elif not layerfile.endswith('sgrd'): exportCommand = self.exportRasterLayer(layerfile) if exportCommand is not None: commands.append(exportCommand) param.value = ";".join(layers) elif param.datatype in [ParameterMultipleInput.TYPE_VECTOR_ANY, ParameterMultipleInput.TYPE_VECTOR_LINE, ParameterMultipleInput.TYPE_VECTOR_POLYGON, ParameterMultipleInput.TYPE_VECTOR_POINT]: for layerfile in layers: layer = dataobjects.getObjectFromUri(layerfile, False) if layer: filename = dataobjects.exportVectorLayer(layer) self.exportedLayers[layerfile] = filename elif not layerfile.endswith('shp'): raise GeoAlgorithmExecutionException( self.tr('Unsupported file format')) # 2: Set parameters and outputs command = self.undecoratedGroup + ' "' + self.cmdname + '"' command += ' ' + ' '.join(self.hardcodedStrings) for param in self.parameters: if param.value is None: continue if isinstance(param, (ParameterRaster, ParameterVector, ParameterTable)): value = param.value if value in self.exportedLayers.keys(): command += ' -' + param.name + ' "' \ + self.exportedLayers[value] + '"' else: command += ' -' + param.name + ' "' + value + '"' elif isinstance(param, ParameterMultipleInput): s = param.value for layer in self.exportedLayers.keys(): s = s.replace(layer, self.exportedLayers[layer]) command += ' -' + param.name + ' "' + s + '"' elif isinstance(param, ParameterBoolean): if param.value: command += ' -' + param.name.strip() + " true" else: command += ' -' + param.name.strip() + " false" elif isinstance(param, ParameterFixedTable): tempTableFile = getTempFilename('txt') f = open(tempTableFile, 'w') f.write('\t'.join([col for col in param.cols]) + '\n') values = param.value.split(',') for i in range(0, len(values), 3): s = values[i] + '\t' + values[i + 1] + '\t' + values[i + 2] + '\n' f.write(s) f.close() command += ' -' + param.name + ' "' + tempTableFile + '"' elif isinstance(param, ParameterExtent): # 'We have to substract/add half cell size, since SAGA is # center based, not corner based halfcell = self.getOutputCellsize() / 2 offset = [halfcell, -halfcell, halfcell, -halfcell] values = param.value.split(',') for i in range(4): command += ' -' + self.extentParamNames[i] + ' ' \ + unicode(float(values[i]) + offset[i]) elif isinstance(param, (ParameterNumber, ParameterSelection)): command += ' -' + param.name + ' ' + unicode(param.value) else: command += ' -' + param.name + ' "' + unicode(param.value) + '"' for out in self.outputs: command += ' -' + out.name + ' "' + out.getCompatibleFileName(self) + '"' commands.append(command) # special treatment for RGB algorithm #TODO: improve this and put this code somewhere else for out in self.outputs: if isinstance(out, OutputRaster): filename = out.getCompatibleFileName(self) filename2 = filename + '.sgrd' if self.cmdname == 'RGB Composite': commands.append('io_grid_image 0 -IS_RGB -GRID:"' + filename2 + '" -FILE:"' + filename + '"') # 3: Run SAGA commands = self.editCommands(commands) SagaUtils.createSagaBatchJobFileFromSagaCommands(commands) loglines = [] loglines.append(self.tr('SAGA execution commands')) for line in commands: progress.setCommand(line) loglines.append(line) if ProcessingConfig.getSetting(SagaUtils.SAGA_LOG_COMMANDS): ProcessingLog.addToLog(ProcessingLog.LOG_INFO, loglines) SagaUtils.executeSaga(progress) if self.crs is not None: for out in self.outputs: if isinstance(out, (OutputVector, OutputRaster)): prjFile = os.path.splitext(out.getCompatibleFileName(self))[0] + ".prj" with open(prjFile, "w") as f: f.write(self.crs.toWkt())